Performance evaluation system for water turbine speed regulation system oriented to uncertainty processing

By quantifying and dynamically correcting uncertainties in the speed control system, the problems of misjudgment and omission in the existing technology are solved, enabling accurate evaluation of the performance of the turbine speed control system, improving the reliability and stability of the evaluation, and supporting preventive maintenance.

CN122304907APending Publication Date: 2026-06-30THREE GORGES NENGSHIDA ELECTRIC
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Patent Information

Application Number
CN202610248670.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-02
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing speed regulation system performance evaluation technologies are ill-suited to the dynamic uncertainties of complex operating scenarios in hydropower stations, leading to frequent misjudgments and omissions, which affect the stability of power grid supply and the economic efficiency of operation.

Method used

A performance evaluation system for turbine speed regulation system oriented towards uncertainty handling is designed, including an uncertainty source quantification module, a functional evaluation module, a hardware evaluation module, and a comprehensive evaluation module. By quantifying data noise, operating condition fluctuations, and fault determination ambiguity, the system uses uncertainty coefficient α and confidence interval quantification, dynamically adjusts weights, and outputs evaluation conclusions on credibility and uncertainty source tracing.

Benefits of technology

It enables robust evaluation of speed control system performance, improves the accuracy and reliability of the evaluation, supports preventive maintenance and fault location, and enhances engineering adaptability and system operation stability.

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Abstract

The invention relates to a water turbine speed regulation system performance evaluation system oriented to uncertainty processing. The system comprises an uncertainty source quantification module, a function evaluation module, a hardware evaluation module, a comprehensive evaluation module and a result output module. The uncertainty source quantification module is used for identifying three types of uncertainty sources of data noise, working condition fluctuation and fault judgment fuzziness in the operation of the water turbine speed regulation system and quantifying the influence degree of the three types of uncertainty sources; the function evaluation module and the hardware evaluation module carry out evaluation with uncertainty correction for the function execution effect of the speed regulation system and the state of hardware equipment respectively, the comprehensive evaluation module fuses the evaluation results of the two modules and dynamically distributes weights, and the result output module outputs an evaluation conclusion containing credibility and uncertainty traceability. Scientific support is provided for preventive maintenance and accurate fault positioning of the water turbine speed regulation system, the robustness and engineering suitability of an evaluation result are effectively improved, and stable operation of the speed regulation system under complex working conditions is guaranteed.
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